
.horizontal {
    display: flex;
    flex-direction: column;
}

.vertical {
    display: flex;
}

.vertical > .oul {
    height: 450px;
    width: 80px;
    display: flex;
    flex-direction: column;
    text-align: center;
    background: #544f6b;
    color: #8478B3;
}

.vertical > .oul > li {
    flex: 1;
}


.horizontal > .oul {
    width: 450px;
    height: 50px;
    line-height: 50px;
    display: flex;
    text-align: center;

}

.horizontal > .oul li {
    flex: 1;
    background: #544f6b;
    color: #8478B3;
}

.context {
    width: 450px;
    height: 400px;
    background: #544f6b;
    color: #8478B3;
    text-align: center;
    font-size: 32px;
    line-height: 400px;
}


.dialog {
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, .5);
}

.mark {
    width: 200px;
    height: 400px;
    position: absolute;
    top: 100px;
    left: 300px;
    background: #fff;
}

.active {
    background: #fff !important;
}